Sökning: "Mathematics and Statistics"

Visar resultat 1 - 5 av 721 uppsatser innehållade orden Mathematics and Statistics.

  1. 1. Prediction of Conversion Rates in Online Marketing - A study of the application of logistic regression for predicting conversion rates in online marketing.

    Master-uppsats, Lunds universitet/Matematisk statistik

    Författare :Marcus Olausson; [2018]
    Nyckelord :Online marketing; conversion rates; logistic regression; latent variables; machine learning; Mathematics and Statistics;

    Sammanfattning : This thesis was written in collaboration with an anonymous European automotive company, Company X, which uses online marketing as a part of their business model. In online marketing it is of inrest to estimate conversion rates, that is the quota of a population at an initial state that will go on to perform a certain action. LÄS MER

  2. 2. Efficient 2D SLAM for a Mobile Robot with a Downwards Facing Camera

    Master-uppsats, Lunds universitet/Matematik LTH

    Författare :Christian Colliander; [2018]
    Nyckelord :SLAM; 2D SLAM; Visual SLAM; Quadcopter; Drone; Camera; Downwards facing camera; Computer Vision; Image Analysis; ROS; Robotics; Mathematics and Statistics;

    Sammanfattning : As digital cameras become cheaper and better, computers more powerful, and robots more abundant the merging of these three techniques also becomes more common and capable. The combination of these techniques is often inspired by the human visual system and often strives to give machines the same capabilities that humans already have, such as object identification, navigation, limb coordination, and event detection. LÄS MER

  3. 3. eulerr: Area-Proportional Euler Diagrams with Ellipses

    Kandidat-uppsats, Lunds universitet/Statistiska institutionen

    Författare :Johan Larsson; [2018]
    Nyckelord :Euler diagrams; Venn diagrams; ellipses; R; computer graphics; area-proportional; software; Mathematics and Statistics;

    Sammanfattning : Euler diagrams are common and intuitive visualizations for data involving sets and relationships thereof. Compared to Venn diagrams, Euler diagrams do not require all set relationships to be present and may therefore be area-proportional also with subset or disjoint relationships in the input. LÄS MER

  4. 4. On the variational characterization of quasi-periodic standing waves of the nonlinear Schrödinger equation

    Kandidat-uppsats, Lunds universitet/Matematik (naturvetenskapliga fakulteten)

    Författare :Gustav Jillbratt; [2018]
    Nyckelord :Mathematics and Statistics;

    Sammanfattning : We consider quasi-periodic standing wave solutions U(t, x) = exp(i(ωt−px))Ψ(x) to the one-dimensional defocusing cubic nonlinear Schrödinger equation, where we assume that Ψ : R → C is 2π−periodic. We study a constrained minimization problem associated with these solutions, and we show that solutions with minimal period of Ψ(x) strictly less than 2π cannot be minimizers, whereas locally the minimum is obtained among those solutions with minimal period 2π. LÄS MER

  5. 5. Event Detection and Predictive Maintenance using Component Echo State Networks

    Master-uppsats, Lunds universitet/Matematisk statistik

    Författare :Jonatan Westholm; [2018]
    Nyckelord :Mathematics and Statistics;

    Sammanfattning : With a growing number of sensors collecting information about systems in indus- try and infrastructure, one wants to extract useful information from this data. The goal of this project is to investigate the applicability of Echo State Net- work techniques to time-varying classification of multivariate time series from primarily mechanical and electrical systems. LÄS MER


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